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Cushion|Lab Grown|IGI

1.50ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG756588182

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG756588182

Diamond specifications and retailer prices

From $453 SGD
$354 USD
As of November 1, 2026
Save $3,141 SGD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,594 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG756588182 or 756588182. Listed at 15 retailers as of October 31, 2026, with prices from $453 to $3,594, a $3,141 spread on the same certified stone. Brilliant Earth lists it at $3,594. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756588182
Dimensions6.57 × 6.39 × 4.22 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.57 mm6.39 mm1.50 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756588182
Side View
Table 64.0%Crown 34.4°Girdle: STK-THKPavilion 38.2°Culet: NoneDepth 66.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $3,594 SGD|Low: $366 SGD|High: $4,387 SGD|Avg: $1,677 SGD|-18.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 15$453 SGD
Retailer 8$575 SGD
Retailer 3$633 SGD
Retailer 6$687 SGD
Retailer 5$724 SGD
Retailer 11$822 SGD
Retailer 9$924 SGD
Retailer 12$1,261 SGD
Retailer 10$1,352 SGD
Retailer 7$1,652 SGD
Retailer 14$1,903 SGD
Retailer 2$2,178 SGD
Retailer 4$3,178 SGD
Retailer 13$3,530 SGD
Brilliant Earth$3,594 SGD

42 data points across 15 retailers

15 retailers$453 SGD to $3,594 SGD

A
Cheapest Retailer
-
$453 SGD
$354 USD
Final sale: no returns
A
Retailer 2
-
$575 SGD
£354 GBP
View
A
Retailer 3
-
$633 SGD
$495 USD
View
A
Retailer 4
-
$687 SGD
$537 USD
View
A
Retailer 5
-
$724 SGD
$566 USD
View
A
Retailer 6
-
$822 SGD
$643 USD
View
A
Retailer 7
-
$924 SGD
€688 EUR
View
A
Retailer 8
-
$1,261 SGD
A$1,517 AUD
View
A
Retailer 9
-
$1,352 SGD
$1,057 USD
View
A
Retailer 10
-
$1,652 SGD
$1,292 USD
View
B+
Retailer 11
-
$1,903 SGD
$1,488 USD
View
B+
Retailer 12
-
$2,178 SGD
£1,341 GBP
View
B
Retailer 13
-
$3,178 SGD
$2,485 USD
View
B
Retailer 14
-
$3,530 SGD
$2,760 USD
View
Most Expensive
B
Brilliant Earth
21411913Y · Oct 31
$3,594 SGD
$2,810 USD
View
14 more retailers have this diamond
Prices start from $453 SGDSave up to $3,141 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.50ct Cushion
$453 SGD